1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// check-pass
// This file is used to test the behavior of the early-pass syntax warnings.
// If macro syntax is stabilized, replace with a different unstable syntax.
#[cfg(FALSE)]
macro b() {}
//~^ WARN: `macro` is experimental
//~| WARN: unstable syntax
macro_rules! identity {
($($x:tt)*) => ($($x)*);
}
#[cfg(FALSE)]
identity! {
macro d() {} // No error
}
identity! {
#[cfg(FALSE)]
macro e() {}
//~^ WARN: `macro` is experimental
//~| WARN: unstable syntax
}
fn main() {}
|
